Commit ff0d05bf authored by Dave Airlie's avatar Dave Airlie

Revert "console: implement lockdep support for console_lock"

This reverts commit daee7797.

I'll requeue this after the console locking fixes, so lockdep
is useful again for people until fbcon is fixed.
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 2e51b231
......@@ -87,12 +87,6 @@ static DEFINE_SEMAPHORE(console_sem);
struct console *console_drivers;
EXPORT_SYMBOL_GPL(console_drivers);
#ifdef CONFIG_LOCKDEP
static struct lockdep_map console_lock_dep_map = {
.name = "console_lock"
};
#endif
/*
* This is used for debugging the mess that is the VT code by
* keeping track if we have the console semaphore held. It's
......@@ -1924,7 +1918,6 @@ void console_lock(void)
return;
console_locked = 1;
console_may_schedule = 1;
mutex_acquire(&console_lock_dep_map, 0, 0, _RET_IP_);
}
EXPORT_SYMBOL(console_lock);
......@@ -1946,7 +1939,6 @@ int console_trylock(void)
}
console_locked = 1;
console_may_schedule = 0;
mutex_acquire(&console_lock_dep_map, 0, 1, _RET_IP_);
return 1;
}
EXPORT_SYMBOL(console_trylock);
......@@ -2107,7 +2099,6 @@ void console_unlock(void)
local_irq_restore(flags);
}
console_locked = 0;
mutex_release(&console_lock_dep_map, 1, _RET_IP_);
/* Release the exclusive_console once it is used */
if (unlikely(exclusive_console))
......
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